Texas Instruments BQ3285 overview
TI BQ3285 Specialized Hot IC, BQ3285 TI Unitrode BQ3285 Series Real-Time Clock (RTC) The CMOS bq3285 is a low-power microprocessor peripheral providing a time-o...
Product details
Manufactured byTexas Instruments
Product groupModules
DescriptionTI BQ3285 Specialized Hot IC, BQ3285 TI
DescriptionUnitrode BQ3285 Series Real-Time Clock (RTC)
OverviewThe CMOS bq3285 is a low-power microprocessor peripheral providing a time-of-day clock and 100-year calendar with alarm features and battery operation. Other features include three maskable interrupt sources, square wave output, and 114 bytes of general nonvolatile storage.The bq3285 write-protects the clock, calendar, and storage registers during power failure. A backup battery then maintains data and operates the clock and calendar.The bq3285 is a fully compatible real-time clock for IBM AT compatible computers and other applications. The only external components are a 32.768kHz crystal and a backup battery
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